给Flex的PopUpManager显示控件添加特效
PopUpManager本身不提供显示控件特效设置，对控件的showEffect进行设置似乎不能生效于PopUp显示。实现Popup显示、关闭特效可以简单的封装一个PopUp类来调用PopUpManager，在调用过程中实现自定义的showEffect和hideEffect.
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代码
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package { import flash.display.DisplayObject; import mx.core.IFlexDisplayObject; import mx.effects.Blur; import mx.events.TweenEvent; import mx.managers.PopUpManager; public class PopUpEffect { public function PopUpEffect() { } public static function Show(control:IFlexDisplayObject,parent:DisplayObject,modal:Boolean=true):void { var mShowEffect:Blur=new Blur(); mShowEffect.blurXFrom=255; mShowEffect.blurYFrom=255; mShowEffect.blurXTo=0; mShowEffect.blurYTo=0; mShowEffect.target= control; mShowEffect.duration=300; PopUpManager.addPopUp(control,parent,modal); PopUpManager.centerPopUp(control); mShowEffect.play(); } public static function Hide(control:IFlexDisplayObject):void { var mHideEffect:Blur=new Blur(); mHideEffect.blurXFrom=0; mHideEffect.blurYFrom=0; mHideEffect.blurXTo=255; mHideEffect.blurYTo=255; mHideEffect.addEventListener(TweenEvent.TWEEN_END,function(){ PopUpManager.removePopUp(control); }); mHideEffect.duration=300; mHideEffect.target=control; mHideEffect.play(); } }}?
